<template>
  <div class="app-container">
    <el-card class="box-card" >
      <div slot="header" class="clearfix">
        <span class="el-icon-document">基础信息</span>
        <el-button type="primary" icon="el-icon-close" @click="goBack">返回</el-button>
      </div>

      <!--流程处理表单模块-->
      <el-col :span="16" :offset="6" v-if="variableOpen">
        <div>
          <parser :key="new Date().getTime()" :form-conf="variablesData" @submit="submitTaskComplete" @getData="getData"/>
        </div>
        <div style="margin-left:10%;margin-bottom: 20px;font-size: 14px;" v-if="finished === true && !isFirst">
          <el-button icon="el-icon-edit-outline" type="success" size="mini" @click="handleComplete">审批</el-button>
          <!--                <el-button  icon="el-icon-edit-outline" type="primary" size="mini" @click="handleDelegate">委派</el-button>-->
          <!--                <el-button  icon="el-icon-edit-outline" type="primary" size="mini" @click="handleAssign">转办</el-button>-->
          <!--                <el-button  icon="el-icon-edit-outline" type="primary" size="mini" @click="handleDelegate">签收</el-button>-->
          <el-button icon="el-icon-refresh-left" type="warning" size="mini" @click="handleReturn">退回</el-button>
          <el-button icon="el-icon-circle-close" type="danger" size="mini" @click="handleReject">驳回</el-button>
        </div>
      </el-col>

      <!--初始化流程加载表单信息-->
      <el-col :span="16" :offset="4" v-if="formConfOpen">
        <div class="test-form">
          <parser :key="new Date().getTime()" :form-conf="formConf" @submit="submitForm" ref="parser" @getData="getData" />
        </div>
      </el-col>
    </el-card>

    <!--流程流转记录-->
    <el-card class="box-card" v-if="flowRecordList">
      <div slot="header" class="clearfix">
        <span class="el-icon-notebook-1">审批记录</span>
        <el-button type="success" icon="el-icon-view" @click="flowchartView">查看流程图</el-button>
      </div>
      <el-col :span="16" :offset="4" >
        <div class="block">
          <el-timeline>
            <el-timeline-item
              v-for="(item,index ) in flowRecordList"
              :key="index"
              :icon="setIcon(item.finishTime)"
              :color="setColor(item.finishTime)"
            >
              <p style="font-weight: 700">{{ item.taskName }}</p>
              <el-card :body-style="{ padding: '10px' }">
                <p>
                  <label v-if="item.assigneeName" style="font-weight: bold;margin-right: 30px;">办理人： {{ item.assigneeName }} <el-tag type="info" size="mini">{{ item.deptName }}</el-tag></label>
                  <label v-else style="font-weight: bold;margin-right: 30px;">办理人： {{ item.candidate }}</label>
                </p>
                <p>
                </p>
                <p>
                  <label style="font-weight: normal">开始时间： </label><label style="color:#8a909c;font-weight: normal">{{ item.createTime }}</label>
                  <label v-if="item.finishTime" style="margin-left: 30px;font-weight: normal">结束时间： </label><label style="color:#8a909c;font-weight: normal">{{ item.finishTime }}</label>
                  <label v-if="item.duration" style="margin-left: 30px;font-weight: normal">耗时： </label><label style="color:#8a909c;font-weight: normal">{{ item.duration }}</label>
                </p>
                
                <p v-if="item.comment">
                  <el-divider/>
                  办理结果：
                  <el-tag type="success" v-if="item.comment.type === '0'">已提交</el-tag>
                  <el-tag type="success" v-if="item.comment.type === '1'">已通过</el-tag>
                  <el-tag type="warning" v-if="item.comment.type === '2'">已退回</el-tag>
                  <el-tag type="danger" v-if="item.comment.type === '3'">已驳回</el-tag>
                  <el-tag type="success" v-if="item.comment.type === '4'">已委派</el-tag>
                  <el-tag type="success" v-if="item.comment.type === '5'">已转办</el-tag>
                  <el-tag type="danger" v-if="item.comment.type === '6'">终止流程</el-tag>
                  <p v-if="item.comment">
                    办理意见：{{ item.comment.comment }}
                  </p>
                </p>
              </el-card>
            </el-timeline-item>
          </el-timeline>
        </div>
      </el-col>
    </el-card>
    
    <flow :xmlData="xmlData" :taskData="taskList" :title="flowchart.title" :open="flowchart.open" @closeChildDialog="closeChildDialog"></flow>

    <!--审批正常流程-->
    <el-dialog :title="completeTitle" :visible.sync="completeOpen" :width="checkSendUser? '60%':'40%'" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px" >
        <el-form-item v-if="checkSendUser" prop="targetKey">
          <el-row :gutter="20">
            <!--部门数据-->
            <el-col :span="4" :xs="24">
              <h6>部门列表</h6>
              <div class="head-container">
                <el-input
                  v-model="deptName"
                  placeholder="请输入部门名称"
                  clearable
                  size="small"
                  prefix-icon="el-icon-search"
                  style="margin-bottom: 20px"
                />
              </div>
              <div class="head-container">
                <el-tree
                  :data="deptOptions"
                  :props="defaultProps"
                  :expand-on-click-node="false"
                  :filter-node-method="filterNode"
                  ref="tree"
                  default-expand-all
                  @node-click="handleNodeClick"
                />
              </div>
            </el-col>
            <el-col :span="12" :xs="24">
              <h6>待选处理人</h6>
              <el-table
                ref="singleTable"
                :data="userList"
                border
                style="width: 100%"
                @selection-change="handleSelectionChange">
                <el-table-column type="selection" width="50" align="center" />
                <el-table-column label="用户名" align="center" prop="realname" />
                <el-table-column label="部门" align="center" prop="orgCodeTxt" />
              </el-table>
            </el-col>
            <el-col :span="8" :xs="24">
              <h6>已选处理人</h6>
              <el-tag
                v-for="tag in userData"
                :key="tag"
                closable
                @close="handleClose(tag)">
                {{tag.realname}} {{tag.orgCodeTxt}}
              </el-tag>
            </el-col>
          </el-row>
        </el-form-item>
        <el-form-item label="处理意见" prop="comment" :rules="[{ required: true, message: '请输入处理意见', trigger: 'blur' }]">
          <el-input type="textarea" v-model="taskForm.comment" placeholder="请输入处理意见"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="completeOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskComplete">确 定</el-button>
      </span>
    </el-dialog>

    <!--退回流程-->
    <el-dialog :title="returnTitle" :visible.sync="returnOpen" width="40%" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px" >
        <el-form-item label="退回节点" prop="targetKey">
          <el-radio-group v-model="taskForm.targetKey">
            <el-radio-button
              v-for="item in returnTaskList"
              :key="item.id"
              :label="item.id"
            >{{ item.name }}</el-radio-button>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="退回意见" prop="comment" :rules="[{ required: true, message: '请输入意见', trigger: 'blur' }]">
          <el-input type="textarea" v-model="taskForm.comment" placeholder="请输入意见"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="returnOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskReturn">确 定</el-button>
      </span>
    </el-dialog>

    <!--驳回流程-->
    <el-dialog :title="rejectTitle" :visible.sync="rejectOpen" width="40%" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px" >
        <el-form-item label="驳回意见" prop="comment" :rules="[{ required: true, message: '请输入意见', trigger: 'blur' }]">
          <el-input type="textarea" v-model="taskForm.comment" placeholder="请输入意见"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="rejectOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskReject">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { flowRecord } from '@whflow/api/finished'
import Parser from '@whflow/components/parser/Parser'
import { definitionStartByDefId, readXml } from '@whflow/api/definition'
import { getProcessVariables, getFlowViewer } from '@whflow/api/process'
import { completeTask , rejectTask, returnList, returnTask, getNextFlowNode, delegate} from '@whflow/api/todo'
import flow from '@whflow/views/task/record/flow'
import {queryDepartTreeList, queryUserByDepId} from '@/api/api'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import JSelectUser from './JSelectUser'
import JVxeUserSelectCell from '@/components/jeecg/JVxeTable/components/cells/JVxeUserSelectCell'
import JSelectUserByDep from '@/components/jeecgbiz/JSelectUserByDep'
import JSelectMultiUser from '@/components/jeecgbiz/JSelectMultiUser'

export default {
  name: 'Record',
  inject:['closeCurrent'],
  components: {
    Parser,
    flow,
    Treeselect,
    JSelectUser,
    JVxeUserSelectCell,
    JSelectUserByDep,
    JSelectMultiUser,
  },
  props: {},
  data() {
    return {
      // 模型xml数据
      xmlData: '',
      taskList: [],
      // 部门名称
      deptName: undefined,
      // 部门树选项
      deptOptions: undefined,
      // 用户表格数据
      userList: null,
      defaultProps: {
        children: 'children',
        label: 'title'
      },
      // 查询参数
      queryParams: {
        id: undefined,
        userList: null
      },
      // 遮罩层
      loading: true,
      flowRecordList: [], // 流程流转数据
      formConfCopy: {},
      src: null,
      rules: {}, // 表单校验
      variablesForm: {}, // 流程变量数据
      taskForm:{
        returnTaskShow: false, // 是否展示回退表单
        delegateTaskShow: false, // 是否展示回退表单
        defaultTaskShow: true, // 默认处理
        sendUserShow: false, // 审批用户
        multiple: false,
        comment:'', // 意见内容
        procInsId: '', // 流程实例编号
        instanceId: '', // 流程实例编号
        deployId: '',  // 流程定义编号
        taskId: '' ,// 流程任务编号
        procDefId: '',  // 流程编号
        values: null,
        targetKey:''
      },
      userDataList:[], // 流程候选人
      assignee: null,
      formConf: {}, // 默认表单数据
      formConfOpen: false, // 是否加载默认表单数据
      variables: [], // 流程变量数据
      variablesData: {}, // 流程变量数据
      variableOpen: false, // 是否加载流程变量数据
      returnTaskList: [],  // 回退列表数据
      finished: false,
      completeTitle: null,
      completeOpen: false,
      returnTitle: null,
      returnOpen: false,
      rejectOpen: false,
      rejectTitle: null,
      userData:[],
      userIds:'',
      checkSendUser: false, // 是否展示选择人员模块
      flowchart: {
        open: false,
        title: ''
      },
      isFirst: false, // 是否第一个任务节点
    }
  },
  watch: {
    '$route':{
      handler(to) {
        this.init();
      }
    }
  },
  created() {
    this.init();
  },
  mounted() {
    // // 表单数据回填，模拟异步请求场景
    // setTimeout(() => {
    //   // 请求回来的表单数据
    //   const data = {
    //     field102: '18836662555'
    //   }
    //   // 回填数据
    //   this.fillFormData(this.formConf, data)
    //   // 更新表单
    //   this.key = +new Date().getTime()
    // }, 1000)
  },
  methods: {
    init(){
      this.variablesForm = {}
      this.formConf = {}
      this.formConfOpen = false
      this.variables = []
      this.variablesData = {}
      this.variableOpen = false

      this.taskForm.deployId = this.$route.query && this.$route.query.deployId
      this.taskForm.taskId  = this.$route.query && this.$route.query.taskId
      this.taskForm.procInsId = this.$route.query && this.$route.query.procInsId
      this.taskForm.instanceId = this.$route.query && this.$route.query.procInsId
      // 初始化表单
      this.taskForm.procDefId  = this.$route.query && this.$route.query.procDefId
      this.taskForm.dataId = this.$route.query && this.$route.query.dataId
      if (!this.taskForm.dataId){
        this.taskForm.dataId = this.taskForm.instanceId
      }
      // 回显流程记录
      this.getFlowViewer(this.taskForm.procInsId)
      this.getModelDetail(this.taskForm.deployId)
      // 流程任务重获取变量表单
      if (this.taskForm.taskId){
        this.processVariables( this.taskForm.taskId)
        this.getNextFlowNode(this.taskForm.taskId)
        this.taskForm.deployId = null
      }
      this.getFlowRecordList(this.taskForm.procInsId, this.taskForm.deployId)
      this.finished =  this.$route.query && this.$route.query.finished
    },
    /** 查询部门下拉树结构 */
    getTreeselect() {
      queryDepartTreeList().then(response => {
        this.deptOptions = response.result
      })
    },
    /** 查询用户列表 */
    getUserList() {
      queryUserByDepId(this.queryParams).then(res => {
        let users = res.result;
        let arr = []
        this.userDataList.forEach( item => {
          arr = arr.concat(users.filter(o => o.id == item.id))
        })
        this.userList = arr
      })
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true
      return data.label.indexOf(value) !== -1
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.id = data.id
      this.getUserList()
    },
    /** xml 文件 */
    getModelDetail(deployId) {
      // 发送请求，获取xml
      readXml(deployId).then(res => {
        this.xmlData = res.result
      })
    },
    getFlowViewer(procInsId) {
      getFlowViewer(procInsId).then(res => {
        this.taskList = res.result
      })
    },
    setIcon(val) {
      if (val) {
        return 'el-icon-check'
      } else {
        return 'el-icon-time'
      }
    },
    setColor(val) {
      if (val) {
        return '#2bc418'
      } else {
        return '#b3bdbb'
      }
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.userData = selection
      const val = selection.map(item => item.userId)[0]
      if (val instanceof Array) {
        this.taskForm.values = {
          'approval': val.join(',')
        }
      } else {
        this.taskForm.values = {
          'approval': val
        }
      }
    },
    // 关闭标签
    handleClose(tag) {
      this.userData.splice(this.userData.indexOf(tag), 1)
      this.$refs.singleTable.toggleRowSelection(tag, false)
    },
    /** 流程变量赋值 */
    handleCheckChange(val) {
      if (val instanceof Array) {
        this.taskForm.values = {
          'approval': val.join(',')
        }
      } else {
        this.taskForm.values = {
          'approval': val
        }
      }
    },
    /** 流程流转记录 */
    getFlowRecordList(procInsId, deployId) {
      const params = {procInsId: procInsId, deployId: deployId}
      flowRecord(params).then(res => {
        if(res.success){
          this.flowRecordList = res.result.flowList
          // 流程过程中不存在初始化表单 直接读取的流程变量中存储的表单值
          if (res.result.formData) {
            this.formConf = res.result.formData
            this.formConfOpen = true
          }
        }else{
          this.$modal.msgError(res.message)
          this.goBack()
        }
      }).catch(res => {
        this.goBack()
      })
    },
    fillFormData(form, data) {
      form.fields.forEach(item => {
        const val = data[item.__vModel__]
        if (val) {
          item.__config__.defaultValue = val
        }
      })
    },
    /** 获取流程变量内容 */
    processVariables(taskId) {
      if (taskId) {
        // 提交流程申请时填写的表单存入了流程变量中后续任务处理时需要展示
        getProcessVariables(taskId).then(res => {
          // this.variables = res.data.variables;
          this.variablesData = res.result.variables
          if(res.result.isFirst && this.finished){
            this.isFirst = res.result.isFirst
            this.variablesData.disabled = false
            this.variablesData.formBtns = true
          }
          this.variableOpen = true
        })
      }
    },
    /** 根据当前任务或者流程设计配置的下一步节点 */
    getNextFlowNode(taskId) {
      // 根据当前任务或者流程设计配置的下一步节点 todo 暂时未涉及到考虑网关、表达式和多节点情况
      const params = {taskId: taskId}
      getNextFlowNode(params).then(res => {
        const data = res.result
        if (data) {
          this.checkSendUser = true
          if (data.type === 'assignee') { // 指定人员
            this.userDataList = data.userList
          } else if (data.type === 'candidateUsers') { // 指定人员(多个)
            this.userDataList = data.userList
            this.taskForm.multiple = true
          } else if (data.type === 'candidateGroups') { // 指定组(所属角色接收任务)
            this.userDataList = data.userList
            this.taskForm.multiple = false
          } else if (data.type === 'multiInstance') { // 会签?
            this.userDataList = data.userList
            this.taskForm.multiple = true
          } else if (data.type === 'fixed') { // 已经固定人员接收下一任务
            this.checkSendUser = false;
          }
          this.taskForm.sendUserShow = true
        }
      })
    },
    /** 审批任务选择 */
    handleComplete() {
      this.completeOpen = true
      this.completeTitle = '审批流程'
      this.getTreeselect()
      this.userList = this.userDataList
    },
    /** 审批任务 */
    taskComplete() {
      if (!this.taskForm.values && this.checkSendUser){
        this.$modal.msgError('请选择流程接收人员')
        return
      }
      if (!this.taskForm.comment){
        this.$modal.msgError('请输入审批意见')
        return
      }
      this.taskForm.dataId = this.taskForm.instanceId
      completeTask(this.taskForm).then(response => {
        this.$modal.msgSuccess(response.message)
        this.goBack()
      })
    },
    /** 审批任务 */
    submitTaskComplete(data) {
      this.taskForm.comment = "提交申请"
      if (data) {
        const variables = data.valData
        const formData = data.formData
        formData.disabled = true
        formData.formBtns = false
        variables.variables = formData
        this.taskForm.values = variables
      }
      this.taskForm.dataId = this.taskForm.instanceId
      completeTask(this.taskForm).then(response => {
        this.$modal.msgSuccess(response.message)
        this.goBack()
      })
    },
    /** 委派任务 */
    handleDelegate() {
      this.taskForm.delegateTaskShow = true
      this.taskForm.defaultTaskShow = false
    },
    handleAssign(){

    },
    /** 返回页面 */
    goBack() {
      // 关闭当前标签页并返回上个页面
      this.closeCurrent()
      //this.$router.go(-1)
    },
    /** 接收子组件传的值 */
    getData(data) {
      if (data) {
        const variables = []
        data.fields.forEach(item => {
          const variableData = {}
          variableData.label = item.__config__.label
          // 表单值为多个选项时
          if (item.__config__.defaultValue instanceof Array) {
            const array = []
            item.__config__.defaultValue.forEach(val => {
              array.push(val)
            })
            variableData.val = array
          } else {
            variableData.val = item.__config__.defaultValue
          }
          variables.push(variableData)
        })
        this.variables = variables
      }
    },
    /** 申请流程表单数据提交 */
    submitForm(data) {
      if (data) {
        const variables = data.valData
        const formData = data.formData
        formData.disabled = true
        formData.formBtns = false
        if (this.taskForm.procDefId) {
          variables.variables = formData
           // 启动流程并将表单数据加入流程变量
          definitionStartByDefId(this.taskForm.procDefId, JSON.stringify(variables)).then(res => {
            this.$modal.msgSuccess(res.message)
            this.goBack()
          })
        }
      }
    },
    /** 驳回任务 */
    handleReject() {
      this.rejectOpen = true
      this.rejectTitle = '驳回流程'
    },
    /** 驳回任务 */
    taskReject() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          rejectTask(this.taskForm).then(res => {
            this.$modal.msgSuccess(res.message)
            this.goBack()
          })
        }
      })
    },
    /** 可退回任务列表 */
    handleReturn() {
      this.returnOpen = true
      this.returnTitle = '退回流程'
      returnList(this.taskForm).then(res => {
        this.returnTaskList = res.result
        this.taskForm.values = null
      })
    },
    /** 提交退回任务 */
   taskReturn() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          returnTask(this.taskForm).then(res => {
            this.$modal.msgSuccess(res.message)
            this.goBack()
          })
        }
      })
    },
    /** 取消回退任务按钮 */
    cancelTask() {
      this.taskForm.returnTaskShow = false
      this.taskForm.defaultTaskShow = true
      this.taskForm.sendUserShow = true
      this.returnTaskList = []
    },
    /** 委派任务 */
    submitDeleteTask() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          delegate(this.taskForm).then(response => {
            this.$modal.msgSuccess(response.message)
            this.goBack()
          })
        }
      })
    },
    /** 取消回退任务按钮 */
    cancelDelegateTask() {
      this.taskForm.delegateTaskShow = false
      this.taskForm.defaultTaskShow = true
      this.taskForm.sendUserShow = true
      this.returnTaskList = []
    },
    /** 查看流程图 */
    flowchartView(){
      this.flowchart.title = "流程图"
      this.flowchart.open = true
    },
    closeChildDialog () {
      this.flowchart.open = false
    }
  },
  // 导航离开该组件的对应路由时调用[可以访问组件实例 `this`]
  beforeRouteLeave (to, from, next) {
    // 销毁组件，避免通过vue-router再次进入时，仍是上次的history缓存的状态
    this.$destroy(true)
    next()
  }
}
</script>
<style lang="less" scoped>
.test-form {
  margin: 15px auto;
  width: 800px;
  padding: 15px;
}

.box-card {
  width: 100%;
  margin-bottom: 20px;
}

.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
}
.clearfix:after {
  clear: both
}
.clearfix{
  position: relative;
}
.clearfix .el-button{
  position: absolute;
  font-size: 14px;
  padding: 8px;
  right: 0px;
  top: 50%;
  transform: translate(0, -50%);
}

.el-tag + .el-tag {
  margin-left: 10px;
}
</style>
